If someone can guide how and what information do you need about this router I can help since I have one.
Ok, since 2 days ago I have managed to find the setting. Only on desktop you can see the whole thing. You can change channels, dns, qos, vpn...everything is there...on desktop can not find this on phone even if you set desktop site.
Hardware-wise this device is probabably pretty similar to New Xiaomi Router AC2100
There's also a teardown of this device http://www.qsswds.com/pingce/93.html
I have this router as well, if you need something that I can extract, please let me know. Is it possible to unlock 160MHz on this model or that's not how any of this works?
Perfect, it looks like it has UART on board, good to know. I'm just waiting for one to arrive.